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diff -Naur a/io/copy_file_range.c b/io/copy_file_range.c
--- a/io/copy_file_range.c 1969-12-31 19:00:01.000000000 -0500
+++ b/io/copy_file_range.c 2018-02-26 07:39:21.533535821 -0500
@@ -42,24 +42,6 @@
"));
}
-static loff_t
-copy_file_range(int fd, loff_t *src, loff_t *dst, size_t len)
-{
- loff_t ret;
-
- do {
- ret = syscall(__NR_copy_file_range, fd, src, file->fd, dst, len, 0);
- if (ret == -1) {
- perror("copy_range");
- return errno;
- } else if (ret == 0)
- break;
- len -= ret;
- } while (len > 0);
-
- return 0;
-}
-
static off64_t
copy_src_filesize(int fd)
{
@@ -130,7 +112,7 @@
copy_dst_truncate();
}
- ret = copy_file_range(fd, &src, &dst, len);
+ ret = copy_file_range(fd, &src, file->fd, &dst, len, 0);
close(fd);
return ret;
}
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